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30 June, 20:35

In the formation of the compound of sodium chloride A a chloride ion donates two protons to a sodium ion. B a chlorine atom donates an electron to a sodium atom. C a sodium atom donates an electron to a chlorine atom. D the sodium and chlorine atoms share a pair of electrons equally.

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  1. 30 June, 21:23
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    Answer : The correct option is, (C) a sodium atom donates an electron to a chlorine atom.

    Explanation:

    Covalent compound : It is defined as the compound which is formed by the sharing of electrons between the atoms forming a compound.

    The covalent compound are usually formed when two non-metals react.

    Ionic compound : It is defined as the compound which is formed when electron gets transferred from one atom to another atom.

    Ionic compound are usually formed when a metal reacts with a non-metal.

    As we know that the sodium is an alkali metal and has one valence electron and chlorine is a non-metal and has 7 valence electrons.

    When sodium atom donates an electron to a chlorine atom then it forms an ionic compound that is sodium chloride (NaCl).

    Hence, the correct option is, (C) a sodium atom donates an electron to a chlorine atom.
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